deadly duo: traffic prediction + LOS metrics

Gary Toth (@eltotho) crams loads of user-friendly education about transportation planning into this article from PPS. He kicks off with a description of the deadly duo: travel projection models and level of service performance metrics.

And for the fellow geeks who can’t get enough of this stuff, here’s a bonus video: Toth interviewed by Streetsblog (@Naparstek) in 2008.